Helper T cells activate both B cells and cytotoxic T cells.
Answer the following statement true (T) or false (F)
True
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Some of the drugs used to treat HIV patients are competitive inhibitors of the HIV reverse transcriptase enzyme. Unfortunately, the high mutation rate of HIV means that the virus rapidly acquires mutations with amino acid changes that make them resistant
to these competitive inhibitors. Where in the reverse transcriptase enzyme would such amino acid changes most likely occur in drug-resistant viruses? A) in or near the active site B) at an allosteric site C) at a cofactor binding site D) in regions of the protein that determine packaging into the virus capsid E) Such mutations could occur anywhere with equal probability.
As the director of a new non-profit functional genomics research center, it is your job to oversee the set up of each laboratory necessary for achieving the center's research goals. Therefore, you plan to include a (Select all that apply)
_____ DNA microarray facility. _____ proteomics lab. _____ lab to improve sequencing speed and cost. _____ mutagenesis facility. _____ ancient DNA laboratory.
Regional inequalities in economic development occur not only in peripheral and semiperipheral countries, but in core countries as well
Indicate whether this statement is true or false.
Which city is more likely to experience the largest temperature changes throughout an average year?
A) Chicago, Illinois B) Houston, Texas C) Albuquerque, New Mexico D) Nashville, Tennessee